@use "sass:selector";

// theme colors can be found at the bottom
$themes: squirrel, archlinux, monokai, zenburn;

// This returns a selector that matches body when no theme class is set,
// in which case the default light/dark mode themes should be used.
// The result of this function can be used with #{...} interpolation
// in a selector list.
@function body_not_themed() {
    $s: unquote("body");
    @each $t in $themes {
        $s: selector.append($s, unquote(":not(.theme_#{$t})"));
    }
    @return $s;
}



html {
    font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 300;
    color: var(--text_color);
    background: var(--background);
    position: relative;
    min-height: 100%;
}

.container {
    padding: 1.5rem 5rem;
}

.title {
    word-break: break-all;
}

.title a {
    font-weight: bold;
    color: var(--directory_link_color);
}

.footer {
    text-align: center;
    padding-top: 1.5rem;
    font-size: 0.7em;
    color: var(--footer_color);
}

a {
    text-decoration: none;
}

a.root,
a.root:visited,
.root-chevron {
    font-weight: bold;
    color: var(--root_link_color);
}

a:hover {
    text-decoration: underline;
}

a.directory,
a.directory:visited {
    font-weight: bold;
    color: var(--directory_link_color);
}

a.file,
a.file:visited,
.error-back,
.error-back:visited {
    color: var(--file_link_color);
}

a.directory:hover {
    color: var(--directory_link_color);
}

a.file:hover {
    color: var(--file_link_color);
}

.symlink-symbol::after {
    content: "⇢";
    display: inline-block;
    border: 1px solid;
    margin-left: 0.5rem;
    border-radius: 0.2rem;
    padding: 0 0.1rem;
}

nav {
    padding: 0 5rem;
    display: flex;
    justify-content: flex-end;
}

nav > div {
    position: relative;
    margin-left: 0.5rem;
}

nav p {
    padding: 0.5rem 1rem;
    width: 8rem;
    text-align: center;
    background: var(--switch_theme_background);
    color: var(--change_theme_link_color);
}

nav p + * {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    animation: show 0.5s ease;
}

@keyframes show {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

nav > div:hover p {
    cursor: pointer;
    color: var(--switch_theme_link_color);
}

nav > div:hover p + * {
    display: block;
    border-top: 1px solid var(--switch_theme_border);
}

nav .qrcode {
    padding: 0.5rem;
    background: var(--switch_theme_background);
}

nav .qrcode img {
    display: block;
}

nav .theme {
    margin: 0;
    padding: 0;
    list-style-type: none;
}

nav .theme li {
    width: 100%;
    background: var(--switch_theme_background);
}

nav .theme li a {
    display: block;
    width: 100%;
    padding: 0.5rem 0;
    text-align: center;
    color: var(--switch_theme_link_color);
}

nav .theme li a:visited {
    color: var(--switch_theme_link_color);
}

nav .theme li a:hover {
    text-decoration: underline;
    color: var(--change_theme_link_color_hover);
}

%active_theme_link {
    font-weight: bold;
    color: var(--switch_theme_active);
}

@each $theme in $themes {
    body.theme_#{$theme} nav .theme li.theme_#{$theme} a {
        @extend %active_theme_link;
    }
}

#{body_not_themed()} nav .theme li.theme_default a {
    @extend %active_theme_link;
}

p {
    margin: 0;
    padding: 0;
}

h1 {
    margin-top: 0;
    font-size: 1.5rem;
}

table {
    margin-top: 2rem;
    width: 100%;
    border: 0;
    table-layout: auto;
    background: var(--table_background);
}

table thead tr th,
table tbody tr td {
    padding: 0.5625rem 0.625rem;
    font-size: 0.875rem;
    color: var(--table_text_color);
    text-align: left;
    line-height: 1.125rem;
}

table thead tr th {
    padding: 0.5rem 0.625rem 0.625rem;
    font-weight: bold;
}

table thead th.size {
    width: 6em;
}

table thead th.date {
    width: 15em;
}

table tbody tr:nth-child(odd) {
    background: var(--odd_row_background);
}

table tbody tr:nth-child(even) {
    background: var(--even_row_background);
}

table thead {
    background: var(--table_header_background);
}

table tbody tr:hover {
    background: var(--active_row_color);
}

td.size-cell {
    text-align: right;
}

td.date-cell {
    display: flex;
    justify-content: space-between;
}

.at {
    color: var(--at_color);
}

.history {
    color: var(--date_text_color);
}

.file-entry {
    display: flex;
    justify-content: space-between;
}

span.size {
    border-radius: 1rem;
    background: var(--size_background_color);
    padding: 0 0.25rem;
    font-size: 0.7rem;
    color: var(--size_text_color);
}

.mobile-info {
    display: none;
}

th a,
th a:visited,
.chevron {
    color: var(--table_header_text_color);
}

.chevron,
.root-chevron {
    margin-right: 0.5rem;
    font-size: 1.2em;
    font-weight: bold;
}

th span.active a,
th span.active span {
    color: var(--table_header_active_color);
}

.back {
    position: fixed;
    width: 3.8rem;
    height: 3.8rem;
    align-items: center;
    justify-content: center;
    bottom: 3rem;
    right: 3.75rem;
    background: var(--back_button_background);
    border-radius: 100%;
    box-shadow: 0 0 8px -4px #888888;
    color: var(--back_button_link_color);
    display: none;
}

.back:visited {
    color: var(--back_button_link_color);
}

.back:hover {
    color: var(--back_button_link_color_hover);
    font-weight: bold;
    text-decoration: none;
    background: var(--back_button_background_hover);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.download {
    margin-top: 1rem;
    padding: 0.125rem;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    flex-wrap: wrap;
}

.download a,
.download a:visited {
    color: var(--download_button_link_color);
}

.download a {
    background: var(--download_button_background);
    padding: 0.5rem;
    border-radius: 0.2rem;
}

.download a:hover {
    background: var(--download_button_background_hover);
    color: var(--download_button_link_color_hover);
}

.download a:not(:last-of-type) {
    margin-right: 1rem;
}

.upload {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

.upload p {
    font-size: 0.8rem;
    margin-bottom: 1rem;
    color: var(--upload_text_color);
}

.upload form {
    padding: 1rem;
    border: 1px solid var(--upload_form_border_color);
    background: var(--upload_form_background);
}

.upload button {
    background: var(--upload_button_background);
    padding: 0.5rem;
    border-radius: 0.2rem;
    color: var(--upload_button_text_color);
    border: none;
}

.upload div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.drag-form {
    display: none;
    background: var(--drag_background);
    position: absolute;
    border: 0.5rem dashed var(--drag_border_color);
    width: calc(100% - 1rem);
    height: calc(100% - 1rem);
    text-align: center;
    z-index: 2;
}

.drag-title {
    position: fixed;
    color: var(--drag_text_color);
    top: 50%;
    width: 100%;
    text-align: center;
}

.error {
    margin: 2rem;
}

.error p {
    margin: 1rem 0;
    font-size: 0.9rem;
    word-break: break-all;
}

.error p:first-of-type {
    font-size: 1.25rem;
    color: var(--error_color);
    margin-bottom: 2rem;
}

.error p:nth-of-type(2) {
    font-weight: bold;
}

.error-nav {
    margin-top: 4rem;
}

@media (max-width: 760px) {
    nav {
        padding: 0 2.5rem;
    }

    .container {
        padding: 1.5rem 2.5rem;
    }

    h1 {
        font-size: 1.4em;
    }

    td:not(:nth-child(1)),
    th:not(:nth-child(1)) {
        display: none;
    }

    .mobile-info {
        display: block;
    }

    table tbody tr td {
        padding-top: 0;
        padding-bottom: 0;
    }

    a.directory {
        display: block;
        padding: 0.5625rem 0;
    }

    .file-entry {
        align-items: center;
    }

    a.root,
    a.file {
        display: inline-block;
        flex: 1;
        padding: 0.5625rem 0;
    }

    .back {
        display: flex;
    }

    .back {
        right: 1.5rem;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.375em;
    }
}

@media (max-width: 400px) {
    nav {
        padding: 0 0.5rem;
    }

    .container {
        padding: 0.5rem;
    }

    h1 {
        font-size: 1.375em;
    }

    .back {
        right: 1.5rem;
    }
}



@mixin theme_squirrel {
    --background: #ffffff;
    --text_color: #323232;
    --directory_link_color: #d02474;
    --file_link_color: #0086b3;
    --table_background: #ffffff;
    --table_text_color: #323232;
    --table_header_background: #323232;
    --table_header_text_color: #f5f5f5;
    --table_header_active_color: #ffffff;
    --active_row_color: #f6f8fa;
    --odd_row_background: #fbfbfb;
    --even_row_background: #f2f2f2;
    --root_link_color: #323232;
    --download_button_background: #d02474;
    --download_button_background_hover: #f52d8a;
    --download_button_link_color: #ffffff;
    --download_button_link_color_hover: #ffffff;
    --back_button_background: #d02474;
    --back_button_background_hover: #d02474;
    --back_button_link_color: #ffffff;
    --back_button_link_color_hover: #ffffff;
    --date_text_color: #797979;
    --at_color: #797979;
    --switch_theme_background: #323232;
    --switch_theme_link_color: #f5f5f5;
    --switch_theme_active: #d02474;
    --switch_theme_border: #49483e;
    --change_theme_link_color: #f5f5f5;
    --change_theme_link_color_hover: #f5f5f5;
    --upload_text_color: #323232;
    --upload_form_border_color: #d2d2d2;
    --upload_form_background: #f2f2f2;
    --upload_button_background: #d02474;
    --upload_button_text_color: #ffffff;
    --drag_background: #3333338f;
    --drag_border_color: #ffffff;
    --drag_text_color: #ffffff;
    --size_background_color: #323232;
    --size_text_color: #ffffff;
    --error_color: #d02424;
    --footer_color: #898989;
}

@mixin theme_archlinux {
    --background: #383c4a;
    --text_color: #fefefe;
    --directory_link_color: #03a9f4;
    --file_link_color: #ea95ff;
    --table_background: #353946;
    --table_text_color: #eeeeee;
    --table_header_background: #5294e2;
    --table_header_text_color: #eeeeee;
    --table_header_active_color: #ffffff;
    --active_row_color: #5194e259;
    --odd_row_background: #404552;
    --even_row_background: #4b5162;
    --root_link_color: #abb2bb;
    --download_button_background: #ea95ff;
    --download_button_background_hover: #eea7ff;
    --download_button_link_color: #ffffff;
    --download_button_link_color_hover: #ffffff;
    --back_button_background: #ea95ff;
    --back_button_background_hover: #ea95ff;
    --back_button_link_color: #ffffff;
    --back_button_link_color_hover: #ffffff;
    --date_text_color: #9ebbdc;
    --at_color: #9ebbdc;
    --switch_theme_background: #4b5162;
    --switch_theme_link_color: #fefefe;
    --switch_theme_active: #ea95ff;
    --switch_theme_border: #6a728a;
    --change_theme_link_color: #fefefe;
    --change_theme_link_color_hover: #fefefe;
    --upload_text_color: #fefefe;
    --upload_form_border_color: #353946;
    --upload_form_background: #4b5162;
    --upload_button_background: #ea95ff;
    --upload_button_text_color: #ffffff;
    --drag_background: #3333338f;
    --drag_border_color: #fefefe;
    --drag_text_color: #fefefe;
    --size_background_color: #5294e2;
    --size_text_color: #fefefe;
    --error_color: #e44b4b;
    --footer_color: #8eabcc;
}

@mixin theme_zenburn {
    --background: #3f3f3f;
    --text_color: #efefef;
    --directory_link_color: #f0dfaf;
    --file_link_color: #87d6d5;
    --table_background: #4a4949;
    --table_text_color: #efefef;
    --table_header_background: #7f9f7f;
    --table_header_text_color: #efefef;
    --table_header_active_color: #efef8f;
    --active_row_color: #7e9f7f9c;
    --odd_row_background: #777777;
    --even_row_background: #5a5a5a;
    --root_link_color: #dca3a3;
    --download_button_background: #cc9393;
    --download_button_background_hover: #dca3a3;
    --download_button_link_color: #efefef;
    --download_button_link_color_hover: #efefef;
    --back_button_background: #cc9393;
    --back_button_background_hover: #cc9393;
    --back_button_link_color: #efefef;
    --back_button_link_color_hover: #efefef;
    --date_text_color: #cfbfaf;
    --at_color: #cfbfaf;
    --switch_theme_background: #4a4949;
    --switch_theme_link_color: #efefef;
    --switch_theme_active: #efef8f;
    --switch_theme_border: #5a5a5a;
    --change_theme_link_color: #efefef;
    --change_theme_link_color_hover: #efefef;
    --upload_text_color: #efefef;
    --upload_form_border_color: #4a4949;
    --upload_form_background: #777777;
    --upload_button_background: #cc9393;
    --upload_button_text_color: #efefef;
    --drag_background: #3333338f;
    --drag_border_color: #efefef;
    --drag_text_color: #efefef;
    --size_background_color: #7f9f7f;
    --size_text_color: #efefef;
    --error_color: #d06565;
    --footer_color: #bfaf9f;
}

@mixin theme_monokai {
    --background: #272822;
    --text_color: #f8f8f2;
    --directory_link_color: #f92672;
    --file_link_color: #a6e22e;
    --table_background: #3b3a32;
    --table_text_color: #f8f8f0;
    --table_header_background: #75715e;
    --table_header_text_color: #f8f8f2;
    --table_header_active_color: #e6db74;
    --active_row_color: #ae81fe3d;
    --odd_row_background: #3e3d32;
    --even_row_background: #49483e;
    --root_link_color: #66d9ef;
    --download_button_background: #ae81ff;
    --download_button_background_hover: #c6a6ff;
    --download_button_link_color: #f8f8f0;
    --download_button_link_color_hover: #f8f8f0;
    --back_button_background: #ae81ff;
    --back_button_background_hover: #ae81ff;
    --back_button_link_color: #f8f8f0;
    --back_button_link_color_hover: #f8f8f0;
    --date_text_color: #66d9ef;
    --at_color: #66d9ef;
    --switch_theme_background: #3b3a32;
    --switch_theme_link_color: #f8f8f2;
    --switch_theme_active: #a6e22e;
    --switch_theme_border: #49483e;
    --change_theme_link_color: #f8f8f2;
    --change_theme_link_color_hover: #f8f8f2;
    --upload_text_color: #f8f8f2;
    --upload_form_border_color: #3b3a32;
    --upload_form_background: #49483e;
    --upload_button_background: #ae81ff;
    --upload_button_text_color: #f8f8f0;
    --drag_background: #3333338f;
    --drag_border_color: #f8f8f2;
    --drag_text_color: #f8f8f2;
    --size_background_color: #75715e;
    --size_text_color: #f8f8f2;
    --error_color: #d02929;
    --footer_color: #56c9df;
}



// For each of the themes, define a placeholder selector containing
// the themes variables. Then add selectors for body when the theme:
// - has explicitly been activated by .theme_*
// - is set as default theme by .default_theme_* and no other theme is active
// to the placeholder selector list by means of @extend.
@each $theme in $themes {
    %theme_#{$theme} { @include theme_#{$theme}; }

    body.theme_#{$theme} { @extend %theme_#{$theme}; }

    #{body_not_themed()}.default_theme_#{$theme} {
        @extend %theme_#{$theme};
    }
}

// Do the same thing again for the dark mode default.
// Since the media query doesn't affect specificity, all dark mode
// defaults need to come after all light mode defaults to override
// them when dark mode is enabled.
@each $theme in $themes {
    @media (prefers-color-scheme: dark) {
        %theme_dark_#{$theme} { @include theme_#{$theme}; }
    }

    // this extension will still end up inside the media query,
    // because that is where %theme_dark_* was defined
    #{body_not_themed()}.default_theme_dark_#{$theme} {
        @extend %theme_dark_#{$theme};
    }
}
